DRILLING HOLES IN CHASSIS FOR THIRD BELLCRANK POST T-Maxx?: Lift the transmission from the T-Maxx chassis to make room to drill the holes for the throttle bellcrank assembly. Cut out and place the included throttle bellcrank post template onto the chassis (see diagram for orientation) and mark the indicated bellcrank post holes onto the chassis. Drill holes into the chassis, where marked, with a 3.0mm (1/8?) drill bit (included). Click here to view the PDF illustration.